參數(shù)資料
型號(hào)： MAX1802
廠(chǎng)商： Maxim Integrated Products, Inc.
英文描述： Digital Camera Step-Down Power Supply
中文描述： 數(shù)碼相機(jī)降壓型電源
文件頁(yè)數(shù)： 4/28頁(yè)
文件大小： 469K
代理商： MAX1802
M
Digital Camera Step-Down
Power Supply
4
_______________________________________________________________________________________
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
OSC
cycles
V
MAIN SOFT-START
Soft-Start Interval
OSC falling edge
1024
MAIN DRIVERS (DHM, DLM)
Output Low Voltage
I
SINK
= 10mA
0.11
Output High Voltage
I
SOURCE
= 10mA
V
VDDM
-
0.11
V
Driver Resistance
I
DHM
= 10mA, I
DLM
= 10mA
Sourcing or sinking,
V
DHM
or V
VL
= V
VDDM
/ 2
4
11
Drive Current
400
mA
CORE DC-DC CONVERTER (V
ONC
= 3V)
Core Output Voltage Adjust
Range
Core
Idle Mode Threshold
Core Current-Sense Amplifier
Transresistance
Core Slope Compensation Gain
CORE ERROR AMPLIFIER (V
ONC
= 3V)
FBC Regulation Voltage
FBC to COMPC
Transconductance
V
OUT
1.25
5.5
V
V
OSC
= 0.625V
70
190
320
mA
R
CSC
0.7
1.0
1.3
V/A
A
VSWC
Unity gain configuration, FBC = COMPC
Unity gain configuration, FBC = COMPC,
-5
μ
A < I
LOAD
< 5
μ
A
V
FBC
= 1.35V
0.16
1.233
0.20
1.248
0.24
1.263
V/V
V
G
EA
70
100
160
μ
S
FBC Input Leakage Current
5
100
nA
COMPC Minimum Output
Voltage
V
FBC
= 1.35V, COMPC open
0.3
V
COMPC Maximum Output
Voltage
V
COMPM MAX)
V
FBC
= 1.15V, COMPC open
2.00
2.14
2.27
V
CORE SOFT-START (V
ONC
= 3V)
Soft-Start Interval
1024
OSC
cycles
CORE POWER SWITCHES (V
ONC
= 3V)
LXC Leakage Current
V
LXC
= 0, 5.5V
N-channel, I
LXC
= 0.75A
P-channel, I
LXC
= 0.75A
V
OSC
= 0.625V
0.01
150
180
0.75
100
20
350
400
μ
A
R
DSN
R
DSP
Switch On-Resistance
m
P-Channel Current Limit
N-Channel Turn-Off Current
A
18
180
mA
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
VDDM
= 6V, V
VDDC
= 3V, PGNDM = PGND = GND, DCON1 = REF, V
ONM
= 3V, V
ONC
= V
ON1
= V
DCON2
=
V
DCON3
= 0,
T
A
= 0
°
C to +85
°
C
, unless otherwise noted. Typical values are at T
A
= +25
°
C.)
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MAX1802EHJ+T 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Step-Up Slave DC/DC Controller RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX1802EHJ-T 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Step-Up Slave DC/DC Controller RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX1804EUB 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel
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